import auth from "@/plugins/auth";
import router, { constantRoutes, dynamicRoutes } from "@/router";
import { getRouters } from "@/api/menu";
import Layout from "@/layout/index";
import ParentView from "@/components/ParentView";
import InnerLink from "@/layout/components/InnerLink";

// 匹配views里面所有的.vue文件
const modules = import.meta.glob("./../../views/**/*.vue");
// console.log(modules,"===========");
const usePermissionStore = defineStore("permission", {
    state: () => ({
        routes: [],
        addRoutes: [],
        defaultRoutes: [],
        topbarRouters: [],
        sidebarRouters: []
    }),
    actions: {
        setRoutes(routes) {
            this.addRoutes = routes;
            this.routes = constantRoutes.concat(routes);
        },
        setDefaultRoutes(routes) {
            this.defaultRoutes = constantRoutes.concat(routes);
        },
        setTopbarRoutes(routes) {
            this.topbarRouters = routes;
        },
        setSidebarRouters(routes) {
            this.sidebarRouters = routes;
        },
        generateRoutes(roles) {
            console.log(13);
            // vue 点击菜单之后，会路由跳转页面改变
            // 改了地址栏url的路径
            // 地址栏的url路径要去router.js里面匹配path;如果
            // 匹配到了.看看components是哪个组件.放到router-view里面展示出来

            return new Promise((resolve) => {
                // 向后端请求路由数据
                // 请求路由数据之后要干两件事情
                // 去动态渲染出来侧边栏  侧边栏点击能够修改URL
                // 第二件事情 要addRouter到router里面

                getRouters().then((res) => {
                    // 搞了一个深拷贝
                    const sdata = JSON.parse(JSON.stringify(res.data));
                    const rdata = JSON.parse(JSON.stringify(res.data));
                    const defaultData = JSON.parse(JSON.stringify(res.data));

                    // const sidebarRoutes = filterAsyncRouter(sdata);
                    const rewriteRoutes = filterAsyncRouter(rdata, false, true);
                    const defaultRoutes = filterAsyncRouter(defaultData);
                    const asyncRoutes = filterDynamicRoutes(dynamicRoutes);
                    asyncRoutes.forEach((route) => {
                        router.addRoute(route);
                    });
                    this.setRoutes(rewriteRoutes);
                    this.setSidebarRouters(
                        // constantRoutes.concat(sidebarRoutes)

                        constantRoutes.concat(sdata)
                    );
                    // this.setDefaultRoutes(sidebarRoutes);
                    this.setTopbarRoutes(defaultRoutes);
                    console.log("处理好的路由", rewriteRoutes);
                    resolve(rewriteRoutes);
                });
            });
        }
    }
});

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
    // console.log("asyncRouterMap", asyncRouterMap);
    return asyncRouterMap.filter((route) => {
        if (type && route.children) {
            route.children = filterChildren(route.children);
        }
        if (route.component) {
            // Layout ParentView 组件特殊处理
            if (route.component === "Layout") {
                route.component = Layout;
            } else if (route.component === "ParentView") {
                //二级以上路由使用的
                route.component = ParentView;
            } else if (route.component === "InnerLink") {
                //给能够在系统里面直接跳转到外部链接的组件
                route.component = InnerLink;
            } else {
                route.component = loadView(route.component);
            }
        }
        if (route.children != null && route.children && route.children.length) {
            route.children = filterAsyncRouter(route.children, route, type);
        } else {
            delete route["children"];
            delete route["redirect"];
        }
        return true;
    });
}

function filterChildren(childrenMap, lastRouter = false) {
    var children = [];
    childrenMap.forEach((el, index) => {
        if (el.children && el.children.length) {
            if (el.component === "ParentView" && !lastRouter) {
                el.children.forEach((c) => {
                    c.path = el.path + "/" + c.path;
                    if (c.children && c.children.length) {
                        children = children.concat(
                            filterChildren(c.children, c)
                        );
                        return;
                    }
                    children.push(c);
                });
                return;
            }
        }
        if (lastRouter) {
            el.path = lastRouter.path + "/" + el.path;
            if (el.children && el.children.length) {
                children = children.concat(filterChildren(el.children, el));
                return;
            }
        }
        children = children.concat(el);
    });
    return children;
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
    const res = [];
    routes.forEach((route) => {
        if (route.permissions) {
            if (auth.hasPermiOr(route.permissions)) {
                res.push(route);
            }
        } else if (route.roles) {
            if (auth.hasRoleOr(route.roles)) {
                res.push(route);
            }
        }
    });
    return res;
}

export const loadView = (view) => {
    // console.log("view", view);
    let res;
    // vite 读取某个文件夹下面的所有文件
    for (const path in modules) {
        const dir = path.split("views/")[1].split(".vue")[0];
        if (dir === view) {
            // res = () => modules[path]();
            res = modules[path];
        }
    }

    return res;
};

export default usePermissionStore;
